# aVenture, free: Company headcount API

> Returns this entity's employee count over time. Results are sorted newest first.

aVenture's Essential plan for the company headcount API costs $0.00 per 1,000 companies. We check each provider's docs for 5 fields. aVenture's docs list 1: Total.
We haven't run aVenture through [our company headcount API benchmark](https://datacircle.dev/best-company-headcount-api.txt) yet.
This plan is free. We rank 302 plans for company headcount APIs by price. Half the plans cost $4.888 or less per 1,000 companies. [89 company headcount API plans on our price sheet are free.](https://datacircle.dev/best-company-headcount-api.txt) [Scrappa](https://datacircle.dev/company-headcount-apis/scrappa/free/llms.txt) has a free plan with 500 calls a month. Scrappa is the best company headcount API in our benchmark.
[Kooperativa's $499 monthly plan](https://datacircle.dev/company-headcount-apis/kooperativa/499-monthly/llms.txt) is the cheapest paid plan per 1,000 companies, with no charge per call. You get as many companies as Kooperativa's rate limit allows. [ApiPeru's PEN 150 yearly plan](https://datacircle.dev/company-headcount-apis/apiperu/pen-150-yearly/llms.txt) costs the least for 10,000 companies a month: about $3.65.
[Scrappa](https://datacircle.dev/company-headcount-apis/scrappa/10-pack/llms.txt), [Bridgly](https://datacircle.dev/company-headcount-apis/bridgly/300-pack/llms.txt) and [DataForB2B](https://datacircle.dev/company-headcount-apis/dataforb2b/499-monthly/llms.txt) are the best company headcount API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/company-headcount-apis/aventure/free
- [Company headcount API in 2026: the 16 best of 80+ compared](https://datacircle.dev/best-company-headcount-api.txt)
- Get it: https://aventure.vc/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-headcount-api-pricing
- Request: `GET https://api.aventure.vc/v1/entities/{entityId}/employee-counts`
- API key: with the plan, on https://aventure.vc/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-headcount-api-pricing
- Its API docs: https://docs.aventure.vc/api-reference/entity-research/list-entity-employee-counts?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-headcount-api-pricing
- Sold by: aVenture (https://aventure.vc?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-headcount-api-pricing)
- Checked: 2026-11-11

## In the answer

- Completeness: 20%
- Total: ✓

## Price

- $ per 1,000 companies: $0.00
- Billing: free

## Aggregators

- Aggregators: none

## Charges

- Also pays for: Get a Company's Names, Logos, Links, and Tags: 250 a month · Read Full Entity Detail by aVenture Profile URL, Slug, Website, or Domain · Read One Person's Full Detail by aVenture Profile URL, Slug, or URL · Search the Live Web: 25 a month

## Not found

- $ per 1,000 calls that find nothing: $0.00

## In their words

- Their pitch: Returns this entity's employee count over time. Results are sorted newest first.

## Data

- Freshness: stored
- Keep data: 24 hours
- Use data: a limited, non-exclusive, non-transferable, non-sublicensable, revocable license to access and use the Services and Public Research Data for your own internal research and business purposes and for Live Display as described below [...] you may not: sell, resell, sublicense, or distribute Public Research Data, or any substantial part of it, including as a dataset, list, or feed, or publish it other than through Live Display, disclose research obtained through a signed-in account to third parties, except brief excerpts in your own work with attribution to aVenture or results shown through Live Display, remove or obscure aVenture marks, watermarks, attributions, or source links, or use Public Research Data to train, fine-tune, or evaluate a machine-learning model offered to others

## Plan

- Pay: $0

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: entityId. Optional: page, size
- Method: GET
- Path: /v1/entities/{entityId}/employee-counts

## About the plan

- Plan: Essential
- Who can get it: anyone at least 13 years old: its terms' "You must be at least 13 years old to use the Services", Essential is free and needs only an email address

## The 6 fields the plan's answer can hold

employee count, as-of date, data confidence, measurement basis, reporting scope, source

## aVenture's plans (6)

- [aVenture, free](https://datacircle.dev/company-headcount-apis/aventure/free/llms.txt): $0.00 per 1,000, 20% complete, stored
- [aVenture, $49 monthly](https://datacircle.dev/company-headcount-apis/aventure/49-monthly/llms.txt): 20% complete, stored
- [aVenture, $199 monthly](https://datacircle.dev/company-headcount-apis/aventure/199-monthly/llms.txt): 20% complete, stored
- [aVenture, $490 yearly](https://datacircle.dev/company-headcount-apis/aventure/490-yearly/llms.txt): 20% complete, stored
- [aVenture, $1,999 yearly](https://datacircle.dev/company-headcount-apis/aventure/1999-yearly/llms.txt): 20% complete, stored
- [aVenture, contact us](https://datacircle.dev/company-headcount-apis/aventure/contact-us/llms.txt): 20% complete, stored

## aVenture's calls for this API (1)

- `GET /v1/entities/{entityId}/employee-counts`: [aVenture, free](https://datacircle.dev/company-headcount-apis/aventure/free/llms.txt)

## aVenture's APIs (9)

- [aVenture Company discovery API pricing, 6 plans](https://datacircle.dev/company-discovery-apis/aventure/free/llms.txt)
- [aVenture Company funding API pricing, 6 plans](https://datacircle.dev/company-funding-apis/aventure/free/llms.txt)
- [aVenture Company headcount API pricing, 6 plans](https://datacircle.dev/company-headcount-apis/aventure/free/llms.txt)
- [aVenture Similar companies API pricing, 6 plans](https://datacircle.dev/similar-company-apis/aventure/free/llms.txt)
- [aVenture Similar people API pricing, 6 plans](https://datacircle.dev/similar-people-apis/aventure/free/llms.txt)
- [aVenture News API pricing, 6 plans](https://datacircle.dev/news-apis/aventure/free/llms.txt)
- [aVenture People search API pricing, 6 plans](https://datacircle.dev/people-search-apis/aventure/free/llms.txt)
- [aVenture People enrichment API pricing, 6 plans](https://datacircle.dev/person-enrichment-apis/aventure/free/llms.txt)
- [aVenture Company enrichment API pricing, 6 plans, GET /v1/entities/brand](https://datacircle.dev/company-enrichment-apis/aventure/free-essential-get-v1-entities-brand/llms.txt)
- [aVenture Company enrichment API pricing, 6 plans, GET /v1/entities/lookup-exact](https://datacircle.dev/company-enrichment-apis/aventure/free-essential-get-v1-entities-lookup-exact/llms.txt)

## aVenture: company headcount API alternatives

[aVenture alternatives: other company headcount API providers by price](https://datacircle.dev/aventure-alternatives.txt)

We list other providers' plans closest to this plan in price per 1,000 companies. Each plan in the list gives stored data.

- [BlitzAPI, free trial, POST /v2/enrichment/company-distribution-by-country](https://datacircle.dev/company-headcount-apis/blitzapi/free-trial-post-v2-enrichment-company-distribution-by-country/llms.txt): $0.00 per 1,000, 60% complete, stored
- [Pipecorn, free, POST /accounts/headcount, Department headcount](https://datacircle.dev/company-headcount-apis/pipecorn/free-post-accounts-headcount-department-headcount/llms.txt): $0.00 per 1,000, 40% complete, stored
- [The Swarm, free](https://datacircle.dev/company-headcount-apis/the-swarm/free/llms.txt): $0.00 per 1,000, 40% complete, stored
- [ZoomInfo, free](https://datacircle.dev/company-headcount-apis/zoominfo/free/llms.txt): $0.00 per 1,000, 40% complete, stored
- [Direct Data, free, R$ 50 de crédito ao criar conta, sem cartão, GET /api/CadastroPessoaJuridica](https://datacircle.dev/company-headcount-apis/direct-data/free-r-50-de-credito-ao-criar-conta-sem-cartao-get-api-cadastropessoajuridica/llms.txt): $0.00 per 1,000, 20% complete, stored

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-11.

- https://aventure.vc/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-headcount-api-pricing
- https://aventure.vc/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-headcount-api-pricing
- https://docs.aventure.vc?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-headcount-api-pricing
- https://docs.aventure.vc/api-reference/entity-research/list-entity-employee-counts?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-headcount-api-pricing
- https://docs.aventure.vc/errors?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-headcount-api-pricing
- https://docs.aventure.vc/llms.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-headcount-api-pricing
- https://docs.aventure.vc/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-headcount-api-pricing
- https://docs.aventure.vc/plans-and-usage?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-headcount-api-pricing
- https://docs.aventure.vc/research-updates?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-headcount-api-pricing